/* Reset and Base Styles - Updated 2024-12-12 11:35 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Ensure consistent box-sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Prevent horizontal scroll */
html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Improve touch targets for mobile */
button,
a,
input,
select,
textarea {
    min-height: 44px;
    min-width: 44px;
}

/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile-specific text improvements */
@media (max-width: 768px) {
    /* Better text wrapping for German text */
    .hero-title,
    .hero-subtitle,
    .section-header h2,
    .section-header p,
    .stat-label,
    .feature-card h3,
    .feature-card p {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
        word-break: break-word;
    }

    /* Prevent text overflow */
    .hero-title {
        max-width: 100%;
        overflow-wrap: break-word;
    }

    /* Better spacing for mobile */
    .hero-stats {
        margin: var(--space-lg) 0;
    }

    .hero-stats .stat {
        margin: var(--space-xs) 0;
        text-align: center;
    }

    /* Improve button layout */
    .hero-cta {
        margin-top: var(--space-lg);
    }

    .cta-button {
        margin: var(--space-xs) 0;
    }

    /* Specific improvements for German text */
    .hero-title br {
        display: block;
        margin: 0.2em 0;
    }

    .hero-subtitle br {
        display: block;
        margin: 0.1em 0;
    }

    /* Better stat labels for mobile */
    .stat-label {
        font-size: 0.85rem;
        line-height: 1.2;
        padding: 0 var(--space-xs);
    }

    /* Improve university badge for mobile */
    .hero-badge {
        font-size: 0.8rem;
        padding: var(--space-sm) var(--space-md);
        margin-bottom: var(--space-lg);
    }

    .hero-badge span {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}

:root {
    /* Colors */
    --primary-green: #10B981;
    --primary-blue: #3B82F6;
    --primary-dark: #1F2937;
    --primary-light: #F3F4F6;
    --accent-orange: #F59E0B;
    --accent-red: #EF4444;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
    --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    --gradient-text: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-logo h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.logo-subtitle {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 0.875rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 1rem;
    padding: 0.5rem;
    background: #F3F4F6;
    border-radius: 0.5rem;
}

.lang-link {
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: #6B7280;
    transition: all 0.3s ease;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-link:hover {
    color: var(--primary-green);
    background: rgba(16, 185, 129, 0.1);
}

.lang-link.active {
    color: var(--primary-green);
    background: rgba(16, 185, 129, 0.15);
}

.lang-link:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    transition: var(--transition-fast);
}

/* CTA Buttons */
.cta-button {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.cta-button.secondary:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-2px);
}

.cta-button.large {
    padding: var(--space-md) var(--space-2xl);
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--space-4xl);
    background: linear-gradient(135deg, #F9FAFB 0%, #E5E7EB 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23E5E7EB" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dashboard-mockup {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-xl);
    width: 100%;
    max-width: 400px;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

.dashboard-title {
    font-weight: 700;
    color: var(--text-primary);
}

.dashboard-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--primary-green);
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.dashboard-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.metric-card {
    text-align: center;
    padding: var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--space-xs);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Problem Section */
.problem-section {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.problem-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.problem-stat {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

.problem-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-red);
    margin-bottom: var(--space-sm);
}

.stat-content p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Solution Section */
.solution-section {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.solution-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.solution-intro {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.solution-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.system-diagram {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 500px;
    margin: 0 auto;
}

.system-component {
    position: absolute;
    width: 100px;
    height: 100px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-normal);
    border: 3px solid transparent;
    text-align: center;
}

.system-component:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.system-component span {
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.2;
}

.component-subtitle,
.hub-subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 500;
    line-height: 1.2;
}

/* Central AI Hub */
.system-component.central-hub {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    color: var(--white);
    width: 120px;
    height: 120px;
    z-index: 10;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); }
}

/* POS System */
.system-component.pos {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
}

/* Smart Inventory */
.system-component.inventory {
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    background: var(--gradient-secondary);
    color: var(--white);
}

/* IoT Sensors */
.system-component.hardware {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    color: var(--white);
}

/* Mobile App */
.system-component.mobile {
    top: 20px;
    right: 20px;
    background: var(--gradient-secondary);
    color: var(--white);
}

/* Analytics Dashboard */
.system-component.dashboard {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--white);
}

/* Smart Bins */
.system-component.waste-bins {
    bottom: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--white);
}

/* Connection Lines */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.connection-line {
    position: absolute;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-blue));
    border-radius: 2px;
    opacity: 0.6;
    animation: dataFlow 3s infinite;
}

.connection-line.pos-to-hub {
    top: 120px;
    left: 50%;
    width: 2px;
    height: 80px;
    transform: translateX(-50%);
}

.connection-line.inventory-to-hub {
    top: 50%;
    left: 120px;
    width: 80px;
    height: 2px;
    transform: translateY(-50%);
}

.connection-line.sensors-to-hub {
    top: 50%;
    right: 120px;
    width: 80px;
    height: 2px;
    transform: translateY(-50%);
}

.connection-line.mobile-to-hub {
    top: 120px;
    right: 120px;
    width: 2px;
    height: 80px;
    transform: rotate(45deg);
    transform-origin: top left;
}

.connection-line.dashboard-to-hub {
    bottom: 120px;
    left: 50%;
    width: 2px;
    height: 80px;
    transform: translateX(-50%);
}

.connection-line.waste-to-sensors {
    bottom: 120px;
    right: 120px;
    width: 2px;
    height: 60px;
    transform: rotate(-45deg);
    transform-origin: bottom right;
}


/* Data Flow Indicators */
.data-flow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 2;
}

.flow-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 8px solid var(--primary-green);
    animation: flowMove 2s infinite;
}

.pos-flow {
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0s;
}

.inventory-flow {
    top: 50%;
    left: 100px;
    transform: translateY(-50%) rotate(90deg);
    animation-delay: 0.5s;
}

.sensors-flow {
    top: 50%;
    right: 100px;
    transform: translateY(-50%) rotate(-90deg);
    animation-delay: 1s;
}

@keyframes dataFlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

@keyframes flowMove {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0; }
    50% { transform: translateX(-50%) translateY(20px); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .system-diagram {
        max-width: 400px;
        height: 400px;
    }
    
    .system-component {
        width: 80px;
        height: 80px;
        font-size: 0.75rem;
    }
    
    .system-component.central-hub {
        width: 100px;
        height: 100px;
    }
    
    .component-subtitle,
    .hub-subtitle {
        font-size: 0.7rem;
    }
}

/* How It Works */
.how-it-works {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.step {
    text-align: center;
    padding: var(--space-xl);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto var(--space-lg);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

/* Ensure feature cards handle long text properly */

.features-grid .feature-card {
    min-width: 0; /* Allow grid items to shrink below their content size */
    width: 100%;
}

.features-grid .feature-card p {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    -webkit-hyphens: auto !important;
    -ms-hyphens: auto !important;
    word-break: break-word !important;
    max-width: 100% !important;
    overflow: hidden !important;
    white-space: normal !important;
}

/* Specific fix for German long words in feature cards */
.feature-card p,
.features-grid .feature-card p {
    word-wrap: break-word !important;
    overflow-wrap: anywhere !important;
    hyphens: auto !important;
    -webkit-hyphens: auto !important;
    -ms-hyphens: auto !important;
    word-break: break-word !important;
    max-width: 100% !important;
    overflow: hidden !important;
    white-space: normal !important;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 10;
    -webkit-box-orient: vertical;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.feature-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-card .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 auto var(--space-lg);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    -webkit-hyphens: auto !important;
    -ms-hyphens: auto !important;
    word-break: break-word !important;
    max-width: 100% !important;
    overflow: hidden !important;
    white-space: normal !important;
}

/* University Section */
.university-section {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.university-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.university-logo {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    min-width: 200px;
}

.university-logo i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
}

.university-logo h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.university-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.university-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.university-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-weight: 600;
    color: var(--text-primary);
}

.benefit i {
    color: var(--primary-green);
    font-size: 1.125rem;
}

/* Benefits Section */
.benefits-section {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.benefits-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.benefit-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.benefit-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.benefits-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.roi-chart {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.chart-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: var(--space-md);
    height: 200px;
}

.bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: end;
    align-items: center;
    padding: var(--space-sm);
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.bar-label {
    margin-bottom: var(--space-xs);
}

.bar-value {
    font-size: 1rem;
    font-weight: 800;
}

/* Blog Preview */
.blog-preview {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    transition: var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.blog-content {
    padding: var(--space-2xl);
}

.blog-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.blog-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.blog-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.read-more:hover {
    color: var(--primary-blue);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .blog-card {
        grid-template-columns: 1fr;
    }
    
    .blog-image {
        height: 150px;
    }
}

/* Social Proof */
.social-proof {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.proof-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-4xl);
}

.proof-stat {
    text-align: center;
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.proof-stat .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-green);
    display: block;
    margin-bottom: var(--space-sm);
}

.proof-stat .stat-label {
    color: var(--text-secondary);
    font-weight: 600;
}

.industry-insights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.insight-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.insight-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 auto var(--space-lg);
}

.insight-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.insight-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
}

.testimonial {
    background: var(--gray-50);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: var(--space-lg);
    left: var(--space-lg);
    font-size: 4rem;
    color: var(--primary-green);
    font-weight: 800;
    line-height: 1;
}

.testimonial-content {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.testimonial-content p {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-left: var(--space-xl);
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.author-info span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.cta-section .cta-button.primary {
    background: var(--white);
    color: var(--primary-green);
}

.cta-section .cta-button.secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta-section .cta-button.secondary:hover {
    background: var(--white);
    color: var(--primary-green);
}

.cta-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.footer-logo span {
    color: var(--primary-green);
    font-weight: 600;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-green);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-xl);
    text-align: center;
    color: var(--gray-400);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close {
    color: var(--gray-400);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
}

.close:hover {
    color: var(--text-primary);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
}

/* Tablets and small laptops (768px to 1199px) */
@media (max-width: 1199px) and (min-width: 769px) {
    .container {
        padding: 0 var(--space-xl);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .system-diagram {
        max-width: 500px;
        height: 500px;
    }
    
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .founders-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile and tablets (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
        padding: 0 var(--space-sm);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--space-xl) 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
        align-items: center;
    }

    .hero-stats .stat {
        min-width: 120px;
        padding: var(--space-sm);
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.4;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .hero-cta {
        flex-direction: column;
        gap: var(--space-md);
        align-items: center;
    }

    .cta-button {
        width: 100%;
        max-width: 280px;
    }


    .solution-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .university-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .steps {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .testimonials {
        grid-template-columns: 1fr;
    }

    .proof-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

    .industry-insights {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .expertise-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .founders-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .language-switcher {
        margin: var(--space-sm) 0;
        justify-content: center;
    }

    .nav-menu .language-switcher {
        margin: var(--space-md) 0;
    }
}

/* Small mobile devices (480px and below) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.1;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
        padding: 0 var(--space-sm);
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.4;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
        padding: 0 var(--space-sm);
    }

    .section-header h2 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .section-header p {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .hero-stats .stat {
        padding: var(--space-md);
    }

    .proof-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .cta-content h2 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .modal-content {
        margin: 5% auto;
        padding: var(--space-lg);
        width: 95%;
    }

    .cta-button {
        padding: var(--space-md) var(--space-lg);
        font-size: 0.9rem;
    }

    .cta-button.large {
        padding: var(--space-lg) var(--space-xl);
        font-size: 1rem;
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.5;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
        word-break: break-word;
    }

    .feature-card h3 {
        font-size: 1.1rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .expertise-card {
        padding: var(--space-xl) var(--space-lg);
    }

    .founder-card {
        padding: var(--space-lg);
    }

    .system-diagram {
        max-width: 300px;
        height: 300px;
    }

    .system-component {
        width: 60px;
        height: 60px;
        font-size: 0.7rem;
    }

    .system-component.central-hub {
        width: 80px;
        height: 80px;
    }

    .component-subtitle,
    .hub-subtitle {
        font-size: 0.6rem;
    }

    .language-switcher {
        padding: var(--space-sm);
        gap: var(--space-xs);
    }

    .lang-link {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8rem;
    }
}

/* Extra small devices (360px and below) */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .hero {
        padding: 80px 0 40px;
    }

    .hero-container {
        padding: 0 var(--space-xs);
    }

    .hero-title {
        font-size: 1.6rem;
        line-height: 1.1;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.3;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .section-header h2 {
        font-size: 1.8rem;
        line-height: 1.2;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .cta-content h2 {
        font-size: 1.8rem;
        line-height: 1.2;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .hero-stats .stat-number {
        font-size: 1.8rem;
    }

    .hero-stats .stat-label {
        font-size: 0.8rem;
        line-height: 1.2;
        word-wrap: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -ms-hyphens: auto;
    }

    .proof-stat .stat-number {
        font-size: 2rem;
    }

    .system-diagram {
        max-width: 250px;
        height: 250px;
    }

    .system-component {
        width: 50px;
        height: 50px;
        font-size: 0.6rem;
    }

    .system-component.central-hub {
        width: 70px;
        height: 70px;
    }

    .cta-button {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.85rem;
    }

    .cta-button.large {
        padding: var(--space-md) var(--space-lg);
        font-size: 0.9rem;
    }
}

/* Landscape orientation for mobile devices */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 40px;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .section-header {
        margin-bottom: var(--space-lg);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-visual,
    .dashboard-mockup,
    .system-diagram {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hamburger,
    .cta-section,
    .footer {
        display: none;
    }

    .hero {
        padding: 0;
    }

    .container {
        max-width: none;
        padding: 0;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .hero-title {
        font-size: 24pt;
    }

    .section-header h2 {
        font-size: 18pt;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success states */
.success {
    color: var(--primary-green);
    font-weight: 600;
}

/* Error states */
.error {
    color: var(--accent-red);
    font-weight: 600;
}